Developing and evaluating a hybrid wind instrument excited by a loudspeaker

Buys, Kurijn; Sharp, David and Laney, Robin (2014). Developing and evaluating a hybrid wind instrument excited by a loudspeaker. In: Proceedings of the Institute of Acoustics, pp. 294–303.

Abstract

A hybrid wind instrument generates self-sustained sounds via a real-time interaction between a computed physical model of an embouchure and a real acoustic resonator. This concept remains poorly investigated due to the technical demands on the actuator that supplies the calculated mouthpiece signal. A newly proposed prototype has been realized, using a loudspeaker as actuator. We evaluate the resulting self-sustained sounds by mapping their sound descriptors to the input parameters of the physical model of the embouchure. Results are compared with simulations. The largely coherent functioning confirms the usefulness of the device in both musical and research contexts.

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